Mark, I have a 4020 ...so just go back thru time and read my posts and I have attached several pictures. I am probably the poster child for the 4020 model. I don't know your particulars...as far as land size or what you intend to do with it...but for me it is an ideal size. I used a 600 series ford tractor for years before stepping up to this. As for ergonomics... I am only 5'8", and it fits me well...has a nice open platform. I think a real tall person might struggle....someone a while back that was like 6'6" had some issues with their knee and the gear shift I believe. Best thing is just to try one out. Also, I think they sized their seat belts too small for us slightly over prime Americans.
As for backhoes, they have a 6 1/2 footer for the 10 series, and a 7 1/2 footer for the 20 series tractor...these are mounted on subframes. (some say stay away from 3 pt hitch mounted hoes as they put a tremendous strain on the tractor ). Some people think they should have bigger hoes...eg 8 1/2 or 9 1/2 foot for these 20 series. I think the Century line does have an 8 1/2 ft hoe available.
I personally have the 7 1/2' hoe, and it moves very quickly...almost too quickly. I don't lack for speed at all. It runs off the tractor hydraulics. I've dug up some pretty big roots with it and have also pushed over some 12-15" trees with it after digging around the root ball. These are only Cuts though ...so the hoe is only half the size of a dedicated backhoe with 15' digging depth. But what a handy tool to have around if you are doing light construction, etc.
I think sometime soon in the near future they will have a 30 series...or at least a tractor in the over 50 hp range.
Also, Franz who posts on here has a backhoe as well....maybe he can chime in as far as his thoughts go.
The front end loader (Korean made Ansung) has a quick attach bucket. You can change to pallet forks, etc in 5 minutes. When I bushhog, instead of dropping the whole FEL, I usually just take off my bucket which removes some weight... but I still have enough weight with the loader arms to offset the weight of the bushhog. Some people have gotten extra sets of the quick attach brackets made and then used them on other homemade contraptions that they want to attach to the front. I have a FEL mounted front blade made by Kasco MFG out of Shelbyville Indiana (
www.kascomfg.com)....and they simply adapted brackets for the ansung loader to their plow. Also, I can tell you that mine with the R4 tires is a really stable tractor on these hills that I have here...( I think you may have similar conditions).
The 4020 has the same motor as the one in the 3520, however has a turbo....giving it a few extra horses. The newer models...have the tier 2 EPA complient engines, and the equivelent model to the 4020...eg 4220 ?? I believe... is now naturally aspirated. Cummins Inc, has a joint venture with Kukje, to sell these engines as the "A" series (ranging from 1.4 to 2.3 litre) into the construction market . So if you get one of the newer tier 2 engines...you will probably be able to get engine parts thru Cummins distributors I am guessing.
Anyhow, these are tough little tractors, well worth your time to look at them. My brother first steered me toward the Branson....he has a 3510. I first laughed when he told me about it...as I had never heard of it. After spending some time with him and his tractor, I started looking at them more seriously. The more I looked, the more I liked...and the pricing was great. Short story long.... I went into the local dealer and said I wanted a tractor, as long as it was at least 1" longer than my brother's. That's how I ended up with the 4020. /forums/images/graemlins/grin.gif
Good luck.
sassafraspete